Effects of Superoxide Dismutase on Liver Stress in Diabetic Rats
Author Information
Author(s): Fábio Cangeri Di Naso, Alexandre Simões Dias, Marilene Porawski, Norma Anair Possa Marroni
Primary Institution: Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul
Hypothesis
The study investigates the effects of exogenous antioxidant copper zinc superoxide dismutase (Cu/Zn SOD) on oxidative stress in an experimental model of diabetes mellitus.
Conclusion
SOD treatment reduced liver oxidative stress in diabetic animals, even though it did not change NFκB levels.
Supporting Evidence
- SOD treatment significantly reduced liver lipoperoxidation in diabetic rats.
- Nitrite and nitrate levels were increased in the SOD-treated diabetic group.
- iNOS expression was higher in the diabetic group compared to controls.
Takeaway
This study shows that giving a special antioxidant to diabetic rats helps reduce stress in their livers.
Methodology
Twenty-eight male Wistar rats were divided into four groups: control, controls treated with SOD, diabetics, and diabetics treated with SOD. SOD was administered for the last seven days of a 60-day trial.
Potential Biases
Potential bias in the selection of animal models and the administration of SOD.
Limitations
The study did not assess the long-term effects of SOD treatment beyond the 60-day period.
Participant Demographics
Twenty-eight male Wistar rats, mean weight 200–300 grams.
Statistical Information
P-Value
P < .01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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